EP3729793A1 - A communication device with a suspended display stack - Google Patents
A communication device with a suspended display stackInfo
- Publication number
- EP3729793A1 EP3729793A1 EP18707673.2A EP18707673A EP3729793A1 EP 3729793 A1 EP3729793 A1 EP 3729793A1 EP 18707673 A EP18707673 A EP 18707673A EP 3729793 A1 EP3729793 A1 EP 3729793A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- layer
- suspension layer
- communication device
- suspension
- edges
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004891 communication Methods 0.000 title claims abstract description 63
- 239000000725 suspension Substances 0.000 claims abstract description 145
- 230000010287 polarization Effects 0.000 claims description 14
- 239000000463 material Substances 0.000 description 11
- 239000003292 glue Substances 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 238000005452 bending Methods 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1601—Constructional details related to the housing of computer displays, e.g. of CRT monitors, of flat displays
- G06F1/1605—Multimedia displays, e.g. with integrated or attached speakers, cameras, microphones
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1656—Details related to functional adaptations of the enclosure, e.g. to provide protection against EMI, shock, water, or to host detachable peripherals like a mouse or removable expansions units like PCMCIA cards, or to provide access to internal components for maintenance or to removable storage supports like CDs or DVDs, or to mechanically mount accessories
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1684—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675
- G06F1/1688—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675 the I/O peripheral being integrated loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
- H04M1/035—Improving the acoustic characteristics by means of constructional features of the housing, e.g. ribs, walls, resonating chambers or cavities
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/04—Plane diaphragms
- H04R7/045—Plane diaphragms using the distributed mode principle, i.e. whereby the acoustic radiation is emanated from uniformly distributed free bending wave vibration induced in a stiff panel and not from pistonic motion
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/016—Input arrangements with force or tactile feedback as computer generated output to the user
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2250/00—Details of telephonic subscriber devices
- H04M2250/22—Details of telephonic subscriber devices including a touch pad, a touch sensor or a touch detector
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
- H04R2499/10—General applications
- H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's
Definitions
- aspects of the present invention relate to a communication device comprising a housing which comprises a front body and a main bod.
- the front body comprises a display unit comprising a plurality of layers attached to one another.
- the display stack of the mobile device As a sound emitting element.
- the display stack should be able to bend or be movable up and down, and an attachment of the display stack enabling this movement should be provided.
- the display stack should be movable up and down without bending the display stack too much in order to efficiently produce sound.
- the flexibility of the suspension of the display stack has a direct impact on the sound system efficiency. Too stiff suspension of the display stack can be compensated by increased mechanical actuator force.
- An object of embodiments of the present invention is thus to provide an improved communication device solving at least some of the problems mentioned above.
- a communication device comprising a housing which comprises a front body and a main body.
- the front body comprises a display unit.
- the display unit comprises a plurality of layers attached to one another, and the layers are substantially parallel to one another.
- the plurality of layers comprises
- each layer has a front, a back and four edges surrounding the front and back. At two opposing edges of the suspension layer, the suspension layer extends laterally beyond at least the second layer.
- the suspension layer is flexible e.g. could be made of a flexible material. The suspension layer is suspended by attachment of the two opposing edges to the main body.
- the suspension layer of the display unit/stack is oversized in relation to the other layers of the display unit.
- the suspension of the display stack can be an integrated part of the display stack without adding any additional suspension means.
- the entire display unit is efficiently suspended and is movable up and down in a manner efficient for the creation of sound pressure and the emission of sound, e.g. to emit sound in a wide range of frequencies.
- the suspension layer itself may be formed by several sub-layers e.g. of different materials.
- suitable sound pressure is produced without bending the display stack too much.
- the solution also works well at lower frequencies.
- substantially parallel it is meant that the layers are essentially parallel but that there may be tolerances or inaccuracies of a few degrees due to manufacturing tolerances.
- the suspension layer extends laterally beyond at least the second layer, and the suspension layer is suspended by attachment of the two opposing edges to the main body along the two opposing edges.
- the suspension layer extends laterally beyond at least the second layer, and the suspension layer is suspended by attachment of its four edges to the main body.
- the suspension layer is further improved and thus the suspension of the entire display unit is further improved.
- the suspension layer extends laterally beyond at least the second layer, and the suspension layer is suspended by attachment of its four edges to the main body along the four edges.
- the suspension of the suspension layer is further improved and thus the suspension of the entire display unit is further improved.
- the inside of the housing is efficiently sealed off from the outside, to some extent airtight, and the display stack can therefore in an efficient manner pump air up and down and efficiently emit sound.
- the suspension layer is a transparent layer, e.g. a touch screen, and the second layer is the display.
- the suspension layer When the suspension layer is transparent, it may be located in front of the display, providing an efficient suspension of the suspension layer and the display unit.
- the suspension of the display unit is an integrated part of the display unit without any additional suspension means or layers.
- the suspension layer is a polarization layer
- the second layer is the display.
- the suspension layer is a polarization layer, it is transparent and located in front of the display, providing an efficient suspension.
- the suspension of the display unit is an integrated part of the display unit without any additional suspension means or layers.
- the suspension layer is the display.
- the suspension of the display unit is an integrated part of the display unit without any additional suspension means or layers.
- an efficient suspension of the display unit is provided.
- the suspension layer is stretchable e.g. is made of a stretchable material.
- the respective edges of the second layer are separated from the main body by at least one gap.
- the suspension layer comprises a pre-formed U-shape at the respective edge.
- the suspension layer can stretch without being made from a stretchable material per se and still be attached at four edges, providing an efficient suspension of the suspension layer and the display unit.
- the suspension layer at two opposing edges of the suspension layer, the suspension layer comprises a pre-formed U-shape. By this implementation form, the suspension layer can stretch even more while still being attached at four edges, providing an efficient suspension of the suspension layer and the display unit.
- the suspension layer comprises a pre-formed U-shape at the respective edge.
- the suspension layer can stretch even more while still being attached at four edges, providing an efficient suspension of the suspension layer and the display unit.
- the suspension layer comprises a pre-formed U-shape.
- the suspension layer can stretch even more while still being attached at four edges, providing an efficient suspension of the suspension layer and the display unit.
- the suspension layer comprises a pre-formed U-shape at the respective edge.
- the suspension layer can stretch even more while still being attached at four edges, providing an efficient suspension of the suspension layer and the display unit.
- the respective U-shape may open up to the inside of the housing or open up to the outside, but still efficiently seal off the inside of the housing from the outside.
- the respective U-shape may be part of a W-shape.
- the communication device comprises a ring-shaped frame configured to attach the suspension layer to the main body. This is an efficient attachment of the suspension layer to the main body.
- the communication device comprises an actuator (or vibrator) attached to the display unit and to the main body, and the actuator is configured to make the display unit vibrate and emit sound, whereby the actuator and display unit function as a loudspeaker.
- an efficient actuation of the display unit is provided, efficiently moving the display unit up and down to emit sound.
- the communication device comprises an actuator (or vibrator) attached to the display unit and to the main body, and the actuator is configured to make the display unit vibrate to provide tactile feedback for a touch display.
- an efficient actuation of the display unit is provided, efficiently moving the display unit up and down to provide tactile feedback for a touch display.
- An implementation form may include the tactile feedback without the sound emission, and vice versa.
- Fig. 1 is a schematic top view of an embodiment of the communication device
- Fig. 2 is a schematic side view of the communication device of Fig. 1 ;
- FIG. 3 is schematic partial perspective view of the communication device of Fig. 1 ;
- Fig 4 is a schematic sectional view of the communication device of Fig. 1 ;
- Fig. 5 is a schematic exploded view of the communication device of Fig. 1 ;
- Fig. 6 is a schematic sectional view of a second embodiment of the communication device
- Fig. 7 is a schematic sectional view of a third embodiment of the communication device.
- Fig. 8 is a schematic sectional view of another embodiment of the communication device.
- the communication device 102 herein disclosed may be denoted as a user device, a User Equipment (UE), a mobile station, an internet of things (loT) device, a sensor device, a wireless terminal and/or a mobile terminal, enabled to communicate wirelessly in a wireless communication system, sometimes also referred to as a cellular radio system, especially an LTE or New Radio (NR/5G) communication system.
- the UEs may further be referred to as mobile telephones or cellular telephones with wireless capability.
- the UEs in the present context may be pocket-storable and is portable, hand-held, computer- comprised, or vehicle-mounted mobile devices, enabled to communicate voice and/or data, via the radio access network, with another entity, such as another receiver or a server.
- the communication device 102 includes a housing 104.
- the housing 104 includes a front body 106 and a main body 108.
- the front body 106 includes a display unit 1 10.
- the display unit 1 10 comprises a plurality of layers attached to one another. The layers, which are parallel to one another, are described in further detail herein below.
- the display unit 1 10 includes a plurality of layers 1 14, 1 16, 1 18, 120, 122 attached to one another and being parallel to one another.
- the plurality of layers comprises a transparent cover layer 1 14 made of a hard material, e.g. a glass material.
- the plurality of layers comprises a transparent polarization layer 1 16, a transparent touch screen 1 18, a display 120 and a metal bezel 122.
- Each of the polarization layer 1 16 and touch screen 1 18 may be located between the cover layer 1 14 and the screen 1 18.
- the polarization layer 1 16 has a front 124, a back 126 and four edges 128 surrounding the front 124 and back 126, which is also the case for the other layers 1 14, 1 18, 120, 122.
- the polarization layer 1 16 is made of a flexible material.
- the flexible material may also be a stretchable material.
- the polarization layer 1 16 may also be referred to as suspension layer 108, for reasons stated below.
- the polarization layer 1 16 extends laterally beyond at least a second layer 1 14, 1 18, 120, 122, e.g. extends laterally beyond the plurality of layers 1 14, 1 18, 120, 122. In the present case, the polarization layer 1 16 extends laterally beyond all of the layers 1 14, 1 18, 120, 122.
- the suspension layer 1 16 is suspended by attachment of the two opposing edges 128 to the main body 108.
- the communication device 102 includes a ring-shaped frame 130 configured to attach the suspension layer 1 16 to the main body 108.
- the suspension layer 1 16 may extend laterally beyond at least the second layer 1 14, 1 18, 120, 122, and the suspension layer 1 16 is suspended by attachment of the two opposing edges 128 to the main body 108 along the two opposing edges 128.
- the suspension layer 1 16 extends laterally beyond at least the second layer 1 14, 1 18, 120, 122, and the suspension layer 1 16 is suspended by attachment of its four edges 128 to the main body 108.
- the suspension layer 1 16 extends laterally beyond at least the second layer 1 14, 1 18, 120, 122, and the suspension layer 1 16 is suspended by attachment of its four edges 128 to the main body 108 along the four edges 128.
- the respective edges of the second layer 1 14, 1 18, 120, 122 are separated from the main body 108 by at least one gap 132, 134.
- the transparent hard cover layer 1 14 should be spaced apart from the main body 108.
- the communication device 102 includes an actuator 136 attached to the display unit 1 10 and to the main body 108.
- the actuator 136 is configured to make the display unit 1 10 vibrate and emit sound, whereby the actuator 136 and display unit 1 10 function as a loudspeaker. Alternatively, or in addition thereto, the actuator 136 may also be configured to make the display unit 1 10 vibrate to provide tactile feedback for a touch display.
- the actuator 136 is mechanically connected to both the display unit 1 10 and main body 108.
- the actuator 136 may include a magnet 138 and a coil 140. Then, the magnet 138 is mechanically connected to the main body 108 and coil 140 is mechanically connected to the display unit 1 10.
- the coil 140 is driven by an amplifier which is turn is connected to a converter which is connected to a processor, e.g. a Central Processing Unit, CPU.
- the amplifier, converter and processor are suitably not mounted to the display unit 1 10.
- the actuator 136 can pump the display unit 1 10 up and down with good efficiency when a drive voltage (audio signal) is applied to the coil 140.
- the actuator 136 is attached to the lowest layer, which herein is the metal bezel 122, and attached to the center of the metal bezel 122. It is to be understood that other actuators may be used, e.g. a piezo-electric actuator, and that the actuator in Fig. 4 is schematically illustrated.
- the magnet When a chassis is present in the interior of the main body, the magnet may e.g. be indirectly attached to the main body via the chassis.
- a schematic exploded view of the communication device 102 is shown, where the main body 108 is separated from both the display unit 1 10 and the ring- shaped frame 130.
- the ring-shaped frame 130 may be locked into place by interaction with the main body 108, or glued to the main body 108.
- all four edges 128 of the respective layer 1 16 is schematically illustrated.
- the suspension layer 216 is a polarization layer 216 and may not be made of a stretchable material. Instead, along one edge 228 of the suspension layer 216, the suspension layer 216 comprises a pre-formed U-shape 240 at the respective edge, which provides the stretching needed.
- the suspension layer 216 comprises a pre-formed U-shape 240.
- the suspension layer 216 comprises a pre-formed U-shape at the respective edge 228.
- the suspension layer 216 comprises a pre formed U-shape at or along all four edges 228 of the suspension layer 216.
- the suspension layer 318 is the transparent touch screen 318, and the other layers, or at least the second layer, of the plurality of layers are the transparent cover layer 314, the polarization layer 316, the display 320 and the metal bezel 322.
- the touch screen 318 is attached to the main body 308 by a ring-shaped frame 330.
- the suspension layer 318 is flexible and may suitably be stretchable.
- the suspension layer 420 is the display 420, and the other layers, or at least the second layer, of the plurality of layers are the transparent cover layer 414, the polarization layer 416 and the metal bezel 422.
- the display 420 is attached to the main body 408 by a ring-shaped frame 430. It is to be understood that other layers may be used as suspension layer.
- the suspension layer 420 is flexible and may suitably be stretchable.
- the suspension layer may be made from, or include, a suitable flexible material, e.g. a polymer material.
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Acoustics & Sound (AREA)
- Telephone Set Structure (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- General Health & Medical Sciences (AREA)
- Power Engineering (AREA)
Abstract
Description
Claims
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP2018/054249 WO2019161892A1 (en) | 2018-02-21 | 2018-02-21 | A communication device with a suspended display stack |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3729793A1 true EP3729793A1 (en) | 2020-10-28 |
Family
ID=61386827
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18707673.2A Pending EP3729793A1 (en) | 2018-02-21 | 2018-02-21 | A communication device with a suspended display stack |
Country Status (4)
Country | Link |
---|---|
US (1) | US11971749B2 (en) |
EP (1) | EP3729793A1 (en) |
CN (1) | CN111713089B (en) |
WO (1) | WO2019161892A1 (en) |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006174004A (en) * | 2004-12-15 | 2006-06-29 | Citizen Electronics Co Ltd | Flat surface speaker |
US20080084384A1 (en) * | 2006-10-05 | 2008-04-10 | Immersion Corporation | Multiple Mode Haptic Feedback System |
US8270148B2 (en) * | 2008-03-14 | 2012-09-18 | David Griffith | Suspension for a pressure sensitive touch display or panel |
US10645834B2 (en) * | 2010-08-23 | 2020-05-05 | Nokia Technologies Oy | Apparatus and method for providing haptic and audio feedback in a touch sensitive user interface |
US10638617B2 (en) * | 2010-10-19 | 2020-04-28 | Nokia Technologies Oy | Display apparatus |
WO2013186597A1 (en) * | 2012-06-15 | 2013-12-19 | Nokia Corporation | A display suspension |
WO2014024010A1 (en) | 2012-08-10 | 2014-02-13 | Nokia Corporation | A display apparatus |
GB2513089B (en) * | 2013-01-07 | 2019-12-11 | Nokia Technologies Oy | A speaker apparatus for a mobile device |
CN203289642U (en) * | 2013-05-07 | 2013-11-13 | 瑞声科技(南京)有限公司 | Screen sounding device |
US11669167B2 (en) * | 2020-11-06 | 2023-06-06 | Synaptics Incorporated | Single-bracket support structure for force sensing and haptic feedback |
-
2018
- 2018-02-21 CN CN201880089247.1A patent/CN111713089B/en active Active
- 2018-02-21 US US16/968,060 patent/US11971749B2/en active Active
- 2018-02-21 EP EP18707673.2A patent/EP3729793A1/en active Pending
- 2018-02-21 WO PCT/EP2018/054249 patent/WO2019161892A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
CN111713089B (en) | 2021-06-29 |
WO2019161892A1 (en) | 2019-08-29 |
US11971749B2 (en) | 2024-04-30 |
US20210055769A1 (en) | 2021-02-25 |
CN111713089A (en) | 2020-09-25 |
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